Securitron AQL4-D8NL4E1 Power Supply

Keep critical security, access control and surveillance systems online with the Securitron AQL4-D8NL4E1 power supply from Securitron by ASSA ABLOY. This professional-grade power supply delivers flexible 12V/24V DC output and a reliable 4A capacity to support locks, readers, cameras and monitoring equipment while providing instant battery backup when AC power fails. Built-in features like low-battery cutoff, a dedicated fast charger and enhanced surge immunity reduce field service and prolong battery life—minimizing downtime and total cost of ownership. The OutSmart™ dual-color LED reduces installation errors by clearly indicating configured voltage, and LockSafe™ keeps high-duty locks cooler with a separate charging circuit. With 120/230V AC input options and the ability to expand outputs up to 16, the AQL4-D8NL4E1 adapts to small door controllers or larger access control networks. Ideal for security integrators and IT managers, this network-ready power supply supports reliable power for surveillance, monitoring and access control installations. Request a quote or add to cart to protect your next security project.

• Ensures continuous operation for access control and surveillance systems with instant auto-switch to battery on AC loss
• Protects and extends battery life with low-battery cutoff and dedicated fast charger to reduce maintenance and downtime
• Prevents equipment damage and service calls with enhanced surge immunity and Class 2 auxiliary output
• Simplifies installation and prevents voltage errors using OutSmart™ dual-color LED (Green:12V / Blue:24V)
• Keeps locks cooler and more reliable with LockSafe™ dedicated battery charging circuit for high-duty applications
• Scales to your site: multi-voltage support (12/24V) and expandable up to 16 outputs for larger security deployments